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Effect of the molecular chain orientation on carrier transport and optical properties of polymer blends*

Published online by Cambridge University Press:  14 February 2007

V. Kažukauskas ,
V. Čyras ,
M. Pranaitis ,
A. Apostoluk ,
L. Rocha ,
L. Sicot ,
P. Raimond  and
C. Sentein
V. Kažukauskas*
Affiliation:
Department of Semiconductor Physics and Institute of Materials Science and Applied Research, Vilnius University, Saultekio 9, bldg. 3, 10222 Vilnius, Lithuania
V. Čyras
Affiliation:
Department of Semiconductor Physics and Institute of Materials Science and Applied Research, Vilnius University, Saultekio 9, bldg. 3, 10222 Vilnius, Lithuania
M. Pranaitis
Affiliation:
Department of Semiconductor Physics and Institute of Materials Science and Applied Research, Vilnius University, Saultekio 9, bldg. 3, 10222 Vilnius, Lithuania
A. Apostoluk
Affiliation:
Commissariat à l'Énergie Atomique, CEA-Saclay, CEA-DRT-LITEN, DSEN/GENEC/L2C, Bât. 451, Laboratoire Cellules et Composants, 91191 Gif-sur-Yvette Cedex, France
L. Rocha
Affiliation:
Commissariat à l'Énergie Atomique, CEA-Saclay, CEA-DRT-LITEN, DSEN/GENEC/L2C, Bât. 451, Laboratoire Cellules et Composants, 91191 Gif-sur-Yvette Cedex, France
L. Sicot
Affiliation:
Commissariat à l'Énergie Atomique, CEA-Saclay, CEA-DRT-LITEN, DSEN/GENEC/L2C, Bât. 451, Laboratoire Cellules et Composants, 91191 Gif-sur-Yvette Cedex, France
P. Raimond
Affiliation:
Commissariat à l'Énergie Atomique, CEA-Saclay, CEA-DRT-LITEN, DSEN/GENEC/L2C, Bât. 451, Laboratoire Cellules et Composants, 91191 Gif-sur-Yvette Cedex, France
C. Sentein
Affiliation:
Commissariat à l'Énergie Atomique, CEA-Saclay, CEA-DRT-LITEN, DSEN/GENEC/L2C, Bât. 451, Laboratoire Cellules et Composants, 91191 Gif-sur-Yvette Cedex, France
*
[email protected]
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Abstract

We have investigated properties of poly(9-vinylcarbazole) (PVK) doped with 30% wt 4-dibutylamino-4'-nitrostilbene (DBANS), depending on the orientation of the polar DBANS molecules. Appearance of the orientation-induced built-in electrical field was proven optically by the Solid Electric Field Induced Second Harmonic Generation and electrically by Current-Voltage characterization. Modification of optical properties was evidenced by the spectral dependencies of absorption coefficient. The Thermally Stimulated Currents spectra demonstrated that carrier transport and trapping are affected, too.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 37 , Issue 3 , March 2007 , pp. 253 - 256
Copyright
© EDP Sciences, 2007

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Footnotes

*

This paper has been presented at “ECHOS06”, Paris, 28–30 juin 2006.

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